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Last Updated: December 19, 2025

Regulatory Exclusivity: NEW CHEMICAL ENTITY

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Drugs with New Chemical Entity Regulatory Exclusivity

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Exclusivity Expiration	Patented / Exclusive Use
Abbvie	AVYCAZ	avibactam sodium; ceftazidime	POWDER;INTRAVENOUS	206494-001	Feb 25, 2015		RX	Yes	Yes	⤷ Get Started Free	NEW CHEMICAL ENTITY
Astellas	CRESEMBA	isavuconazonium sulfate	CAPSULE;ORAL	207500-002	Nov 22, 2022		RX	Yes	No	⤷ Get Started Free	NEW CHEMICAL ENTITY
Astellas	CRESEMBA	isavuconazonium sulfate	CAPSULE;ORAL	207500-001	Mar 6, 2015		RX	Yes	Yes	⤷ Get Started Free	NEW CHEMICAL ENTITY
Astellas	CRESEMBA	isavuconazonium sulfate	POWDER;INTRAVENOUS	207501-001	Mar 6, 2015		RX	Yes	Yes	⤷ Get Started Free	NEW CHEMICAL ENTITY
Melinta	BAXDELA	delafloxacin meglumine	POWDER;INTRAVENOUS	208611-001	Jun 19, 2017		RX	Yes	Yes	⤷ Get Started Free	NEW CHEMICAL ENTITY
Melinta	BAXDELA	delafloxacin meglumine	TABLET;ORAL	208610-001	Jun 19, 2017		RX	Yes	Yes	⤷ Get Started Free	NEW CHEMICAL ENTITY
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Exclusivity Expiration	>Patented / Exclusive Use

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